Finding the Third Proportional to 3,407,249 and 7,287,255

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407,249 : 7,287,255 = 7,287,255 : x
2. Step 2: Convert to fraction form
   3,407,249/7,287,255 = 7,287,255/x
3. Step 3: Cross multiply
   3,407,249x = 7,287,255 × 7,287,255
4. Step 4: Simplify right side
   3,407,249x = 53,104,085,435,025
5. Step 5: Solve for x
   x = 53,104,085,435,025/3,407,249
6. Step 6: Final answer
   x = 15,585,619.20